• MAGNESIA-MA SPINEL BRICK System 1
MAGNESIA-MA SPINEL BRICK

MAGNESIA-MA SPINEL BRICK

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CMAX Magnesia-MA Spinel Bricks are made by using high quality raw materials, optimized size grading, enforced homogenization, high pressure forming and firing with clean fuel.

Refractory bricks

Index                 Product

AZS-41

AZS-36

AZS-33

ZrO2(%)≥

40

35

32

SiO2 (%)≤

12.5

14

14

Na2O≤

1.2

1.8

1.4

Fe2O3

0.15

0.15

0.15

TiO2

0.10

0.10

0.10

B.D. (g/cm3) ≥

4.12

3.98

3.84

C.C.S (Mpa) ≥

350

350

350

Linear Thermal Expansion (%)

At 1000°C

0.80

0.80

0.80

At 1500°C

0.80

0.80

0.80

Thermal Conductivity

At 600°C

3.3

3.4

3.2

At 1500°C

3.5

3.6

3.5

Electrical Resistance

At 1000°C

400

200

240

At 1500°C

90

55

65

Glass Phase Exudation(%)1500°C*16hr

≤2

≤3

≤3



Q:What are the uses of magnesia spinel brick in the industry?
Used to make ladle casting material, greatly improve the corrosion resistance of steel lining. It is widely used in steel making refractory. The preparation of high-quality pre synthesized spinel provides a new raw material for the production of unshaped and unshaped high purity refractories
Q:Spinel compound brick composite layer pollution layer does not affect the use of theoretical basis for it
The study of mg Al spinel synthesized with MgO raw materials and Al2O3 raw materials (calcined alumina or alumina) has begun as early as 1930s. Magnesia alumina spinel was synthesized from industrial alumina and activated alumina in 1939 and used for making bricks. In 40s, people found that the addition of alumina powder in magnesia could improve its thermal stability, this is actually a spinel bonded brick. When the magnesia brick is mainly used in cement kiln, but in addition to the production of white cement kiln, it was replaced by magnesia chrome refractories.
Q:What is the significance of the synthesis of mg Al spinel? What are the main approaches?
Because the thermal expansion coefficient of magnesia alumina spinel is small, the thermal shock resistance of refractory products with its bonding phase is relatively improved.
Q:Characteristics of sintered spinel used in refractory zzjsnc
For the production of castable for ladle lining steel plate greatly improve the anti erosion ability. It is widely used in steelmaking refractories provides new raw material for the production of high quality synthetic stone pre sintered spinel prepared amorphous and amorphous high purity refractory material
Q:What's the difference between iron spinel and magnesium aluminum spinel?
Spinel is a mineral of magnesium aluminum oxide, because it contains elements such as magnesium, iron, zinc, manganese and so on
Q:Is magnesium spinel harmful to the body? Such as title magnesium spinel, harmful to the body?
Extremely harmful! Studies have shown that brain tissue has affinity for aluminum, and excessive deposition of aluminum in brain tissue can cause memory loss, mental retardation, slow action and aging.
Q:What is the high-grade magnesia spinel brick?
Using magnesia as main raw materials, matrix co milling with magnesia and bauxite as alkaline products, high temperature burning, called magnesia brick, also called the first generation of periclase spinel brick.
Q:What are the characteristics of Mg rich spinel and aluminium rich spinel?
Occurs in the contact metamorphic zone of acid intrusive rocks and dolomite and dolomitic limestone, and is associated with forsterite, diopside and so on. It is also found in peridotite, Kimberley rock, magnesian porphyry and some crystalline schist.
Q:The difference between aluminium refractory and magnesia refractory
The difference between the two is one is neutral, one is alkaline, the original product is different naturally.
Q:Spinel refractory brick air-cooled razheng times
Magnesium Oxide reacts with alumina at over 1700 degrees to produce spinel.

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